package day02;

public class DoubleDemo {
    public static void main(String[] args) {
        //3.double:双精度浮点型，8个字节
        double a = 3.14;//3.14为小数直接量。默认为double型
        float b = 3.14F;//33.14F为float型直接量
        double c=3.432350,d=2.9;
        System.out.println(c-d);
        double e=6.0,f=4.9;
        System.out.println(e-f);
        double g=6.0,h=1.9;
        System.out.println(g-h);
    }
}
